Home / 510,972.28-705,163.50-284,617.88

Finding the Fourth Proportional to 510,972.28, 705,163.50 and 284,617.88

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Solution

The fourth proportional to 510,972.28, 705,163.50 and 284,617.88 is: 392,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,972.28 : 705,163.50 = 284,617.88 : x
  2. Step 2: Convert to fraction form
    510,972.28/705,163.50 = 284,617.88/x
  3. Step 3: Cross multiply
    510,972.28x = 705,163.50 × 284,617.88
  4. Step 4: Simplify right side
    510,972.28x = 200,702,140,423.38
  5. Step 5: Solve for x
    x = 200,702,140,423.38/510,972.28
  6. Step 6: Final answer
    x = 392,784.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.